Removal of the Pylon-to-Wing Forward Attach-Fitting at RIB4

TASK 54-51-17-000-001-A
Removal of the Pylon-to-Wing Forward Attach-Fitting at RIB4

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:

THE FLIGHT CONTROLS
THE FLIGHT CONTROL SURFACES
THE LANDING GEAR AND THE RELATED DOORS
COMPONENTS THAT MOVE.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

WARNING: DO NOT GET FUEL IN YOUR MOUTH, EYES OR ON YOUR SKIN. DO NOT BREATHE THE FUMES FROM THE FUEL. KEEP THE FUEL AWAY FROM SPARKS, FLAME AND HEAT. FUEL IS POISONOUS AND FLAMMABLE, WHICH CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.

CAUTION: BEFORE YOU INSTALL/REMOVE THE GSE-TOOL, READ THE INSTRUCTIONS IN THE APPLICABLE GSE INSTRUCTION MANUAL. WHILE YOU OPERATE THIS TOOL, CAREFULLY OBEY THEM. IF YOU DO NOT OBEY THE INSTRUCTIONS, DAMAGE TO EQUIPMENT CAN OCCUR.

CAUTION: THIS PART IS A REMOVABLE STRUCTURAL COMPONENT (RSC), WHICH CAN BE MOVED BETWEEN AIRCRAFT. THUS IT CAN HAVE DIFFERENT OPERATION CONDITIONS AND A DIFFERENT LIFE RECORD (FLIGHT HOURS/FLIGHT CYCLES/CALENDAR) FROM THE AIRCRAFT IT IS INSTALLED ON OR REMOVED FROM. THE OPERATOR IS RESPONSIBLE FOR THE SPECIFIC TRACKING AND CONTINUED AIRWORTHINESS OF REMOVABLE STRUCTURAL COMPONENTS. INCORRECT MAINTENANCE OF THESE COMPONENTS CAN CAUSE A RISK FOR THE FLIGHT SAFETY.

ZONE: 410
ZONE: 420
ZONE: 470
ZONE: 480
FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** ON A/C NOT FOR ALL

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	AR	CAP - BLANKING
No specific	AR	CONTAINER 3 L(3/4 USGAL)
No specific	1	JACK - 500 DAN (1124 LBF), ADJUSTABLE
No specific	AR	WARNING NOTICE(S)
98A54403024003	1	ADAPTOR-DYNAMOMETRIC AT RIB 1
98D54003005000	1	PYLON SHAFT EXTRACTOR RIB4-RIB10
98D54403000000	1	DUMMY SHACKLES-PYLON TO WING YOKES
98D54403001000	1	DUMMY SLEEVES-PYLON TO WING YOKES
98D54503000000	1	PYLON REMOVAL-WRENCH

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
410	ENG 1 PYLON BOX AND FORWARD FAIRING
420	ENG 2 PYLON BOX AND FORWARD FAIRING
470	ENGINE 1 AFT PYLON
480	ENGINE 2 AFT PYLON
471AL, 481AL, 521BT, 521HB, 621BT, 621HB
414FR, 423FL, 472AR, 482AR
471AR, 471BL, 471BR, 481AR, 481BL, 481BR
FOR [1000EM1] (ENGINE-1)
437AL, 438AR, 451AL, 452AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR, 461AL, 462AR

C. Referenced Information

REFERENCE	DESIGNATION
TASK 05-57-00-200-001-A	Aircraft Stability
TASK 05-57-00-200-001-B	Aircraft Stability
TASK 05-57-00-200-001-C	Aircraft Stability
TASK 07-11-00-581-001-A	Lifting for Aircraft Maintenance Operations
TASK 28-00-00-910-001-A	Fuel Safety Procedures
TASK 28-16-42-000-001-A	Removal of the Fuel Recirculation Check-valve
TASK 54-53-11-000-002-A	Removal of the Pylon-to-Wing Access Panels
TASK 54-53-11-000-002-B	Removal of the Pylon-to-Wing Access Panels
TASK 57-41-37-000-009-A	Removal of the Access Panel
TASK 57-41-37-000-011-A	Removal of the Access Panel
TASK 71-00-00-000-040-A	Removal of the Power Plant
TASK 71-00-00-000-040-A-01	Removal of the Power Plant with the Engine Positioner TWW 75E
TASK 71-00-00-000-040-A-03	Removal of the Power Plant with Jacxson Tool
TASK 71-00-00-000-042-A	Removal of the Power Plant
TASK 71-00-00-000-042-A-01	Removal of the Power Plant with the Engine Positioner TWW 75E (MIAG)
TASK 71-00-00-000-042-A-03	Removal of the Power Plant with Jacxson Tool
TASK 71-00-20-000-040-A	Removal of the Power Plant
TASK 71-00-20-000-040-A-01	Removal of the Power Plant with the Engine Positioner TWW 75E (MIAG)
TASK 71-13-11-000-010-A	Removal of the Left Fan Cowl 437AL(447AL).
TASK 71-13-11-000-040-A	Removal of the Fan Cowl Doors
TASK 71-13-11-000-041-A	Removal of the Fan Cowl Doors
TASK 71-13-16-000-010-B	Removal of the Right Fan Cowl (438AR, 448AR)
TASK 78-30-00-040-012-A	Deactivation of the Thrust Reverser Hydraulic Control Unit (HCU) for Ground Maintenance
TASK 78-30-00-481-041-A	Make the Thrust Reverser Unserviceable for Maintenance
TASK 78-30-00-481-041-B	Make the Thrust Reverser Unserviceable for Maintenance
TASK 78-32-01-000-010-A	Removal of the Left Thrust Reverser Half - Eng No. 1
TASK 78-32-02-000-010-A	Removal of the Left Thrust Reverser Half - Eng No. 2
TASK 78-32-03-000-010-A	Removal of the Right Thrust Reverser Half - Eng No. 1
TASK 78-32-04-000-010-A	Removal of the Right Thrust Reverser Half - Eng. No. 2
TASK 78-32-11-000-002-A	Removal of the Left or Right Half Door of Thrust Reverser
TASK 78-32-11-000-040-A	Removal of the Left or Right Half Door of Thrust Reverser
Temperature Sensor and Rods ** ON A/C NOT FOR ALL
Temperature Sensor and Rods ** ON A/C NOT FOR ALL
Removal of the Temperature Sensor and Rods ** ON A/C NOT FOR ALL
Removal of the Temperature Sensor and Rods ** ON A/C NOT FOR ALL
Fuel Junction in the Pylon ** ON A/C NOT FOR ALL
Fuel Junction in the Pylon ** ON A/C NOT FOR ALL
Fuel Junction in the Pylon ** ON A/C NOT FOR ALL
Dynamometric Adaptor and Jack
Forward Pylon-to-Wing Attach Fitting ** ON A/C NOT FOR ALL
Forward Pylon-to-Wing Attach Fitting ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 54-51-17-860-050-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Put the WARNING NOTICE(S) in position to tell persons not to start engine 1(2).
(2) Make sure that the engine 1(2) shutdown occurred a minimum of five minutes before you do this procedure.
(3) On the ENG section of overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the FADEC GND PWR 1(2) pushbutton switch is off.
(b) Put the WARNING NOTICE(S) in position to tell persons not to energize FADEC GND PWR 1(2).
(4) Obey the fuel safety procedures when you do work on the fuel system (Ref. AMM TASK 28-00-00-910-001).

Subtask 54-51-17-040-071-A ** ON A/C NOT FOR ALL

B. Deactivation of the Thrust Reverser

WARNING: MAKE SURE THAT THE THRUST REVERSER IS LOCKED. IF NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO THE REVERSER.

(1) Make the thrust reverser unserviceable for maintenance (Ref. AMM TASK 78-30-00-481-041).

Subtask 54-51-17-040-071-B ** ON A/C NOT FOR ALL

B. Deactivation of the Thrust Reverser

WARNING: MAKE SURE THAT THE THRUST REVERSER IS LOCKED. IF NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO THE REVERSER.

(1) Make the thrust reverser unserviceable for maintenance (Ref. AMM TASK 78-30-00-040-012).

Subtask 54-51-17-869-050-A ** ON A/C NOT FOR ALL

C. Aircraft Stability
(1) Make the aircraft stable (Ref. AMM TASK 05-57-00-200-001).

Subtask 54-51-17-581-050-A ** ON A/C NOT FOR ALL

D. Aircraft Lifting
(1) Lift the aircraft (Ref. AMM TASK 07-11-00-581-001).

NOTE: It is not necessary to lift the wheels of the aircraft off the ground.

(2) Lift the aircraft sufficiently to prevent a strain of the shock absorber.

NOTE: It is not necessary to lift the aircraft wheels off the ground.

Subtask 54-51-17-020-054-A ** ON A/C NOT FOR ALL

E. Removal of the Components
(1) Remove the fan cowl doors (Ref. AMM TASK 71-13-11-000-040):
(a) FOR [1000EM1] (ENGINE-1)

437AL and 438AR

(b) FOR [1000EM2] (ENGINE-2)

447AL and 448AR.

(2) Remove the thrust-reverser cowl doors (Ref. AMM TASK 78-32-11-000-040):
(a) FOR [1000EM1] (ENGINE-1)

451AL and 452AR

(b) FOR [1000EM2] (ENGINE-2)

461AL and 462AR.

(3) Remove the engine (Ref. AMM TASK 71-00-00-000-040).

Subtask 54-51-17-020-054-B ** ON A/C NOT FOR ALL

E. Removal of the Components
(1) Remove the fan cowl doors (Ref. AMM TASK 71-13-11-000-010) (Ref. AMM TASK 71-13-16-000-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(2) Remove the thrust-reverser cowl doors (Ref. AMM TASK 78-32-01-000-010) (Ref. AMM TASK 78-32-03-000-010) (Ref. AMM TASK 78-32-02-000-010) (Ref. AMM TASK 78-32-04-000-010):
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR.
(3) Remove the engine (Ref. AMM TASK 71-00-20-000-040).

Subtask 54-51-17-020-054-C ** ON A/C NOT FOR ALL

E. Removal of the Components
(1) Remove the fan cowl doors (Ref. AMM TASK 71-13-11-000-041):
(a) FOR [1000EM1] (ENGINE-1)

437AL and 438AR

(b) FOR [1000EM2] (ENGINE-2)

447AL and 448AR.

(2) Remove the thrust-reverser cowl doors (Ref. AMM TASK 78-32-11-000-002):
(a) FOR [1000EM1] (ENGINE-1)

451AL and 452AR

(b) FOR [1000EM2] (ENGINE-2)

461AL and 462AR.

(3) Remove the engine (Ref. AMM TASK 71-00-00-000-042).

Subtask 54-51-17-010-050-A ** ON A/C NOT FOR ALL

F. Removal of the Access Panels
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position:
(a) For the left pylon, at zones 410 and 470
(b) For the right pylon, at zones 420 and 480.
(2) Remove the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-000-002):
(a) For the left pylon:

414FR 471AL and 472AR

(b) For the right pylon:

423FL 481AL and 482AR.

(3) Remove the access panels (Ref. AMM TASK 57-41-37-000-009) (Ref. AMM TASK 57-41-37-000-011):
(a) For the left wing:

521BT and 521HB

(b) For the right wing:

621BT and 621HB.

Subtask 54-51-17-010-050-B ** ON A/C NOT FOR ALL

F. Removal of the Access Panels
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position:
(a) For the left pylon, at zones 410 and 470
(b) For the right pylon, at zones 410 and 480.
(2) Remove the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-000-002):
(a) For the left pylon: 471AL 471BL 471AR and 471BR
(b) For the right pylon: 481AL 481BL 481AR and 481BR.
(3) Remove the access panels (Ref. AMM TASK 57-41-37-000-009) (Ref. AMM TASK 57-41-37-000-011):
(a) For the left wing: 521BT and 521HB
(b) For the right wing: 621BT and 621HB.

Subtask 54-51-17-020-055-A ** ON A/C NOT FOR ALL

G. Removal of the Temperature Sensor and Rods

Temperature Sensor and Rods ** ON A/C NOT FOR ALL

Removal of the Temperature Sensor and Rods ** ON A/C NOT FOR ALL

(1) Disconnect electrical connector 6HA1 (6HA2) from the temperature sensor (6):

For the left pylon: 6HA1
For the right pylon: 6HA2.

(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Remove the cotter pins (1) and discard them.
(4) Remove the nuts (2) and the washers (3).
(5) Remove the bolts (4) and the rods (5).

Subtask 54-51-17-020-056-A ** ON A/C NOT FOR ALL

H. Disconnection of the Fuel/Defuel System Components

Fuel Junction in the Pylon ** ON A/C NOT FOR ALL

(1) Put the CONTAINER 3 L(3/4 USGAL) in position, below the fuel connections.
(2) Disconnect the fuel recirculation check-valve at RIB7 (Ref. AMM TASK 28-16-42-000-001).
(3) Disconnect the fuel line coupling at RIB4:
(a) Remove the nut (19) and the bolt (2) from the clamp (17).
(b) Disconnect the bonding straps (18) and (20).
(c) Remove the clamp (17) from the pipe (1).
(d) Remove the nuts (16), the bolts (10) and the clamps (11).
(e) Disengage and move up the sleeves (9) from the pipe (1).
(f) Remove the pipe (1) from the fuel pipe assemblies (15) and (21):

WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.

1 Remove and discard the lockwire from the connectors (7) and the nuts (6) and (8).
2 Loosen the nuts (6) and (8).
3 Remove the nuts (6) and (8) and the connectors (7).
4 Remove the pipe (1) from the fuel pipe assemblies (15) and (21).
5 Remove and discard the retaining rings (5) and the O-rings (3) and (4) from the pipe (1).
6 Put the blanking plugs on the disconnected line ends.
(g) Remove and discard the retaining rings (12) from the fuel pipe assemblies (15) and (21).
(h) Remove and discard the O-rings (13) and (14) from the fuel pipe assemblies (15) and (21).
(i) Put the blanking caps on the disconnected fuel pipe assemblies (15) and (21).

4. Procedure
Subtask 54-51-17-481-050-A ** ON A/C NOT FOR ALL

A. Installation of the Dynamometric Adaptor and Jack

Dynamometric Adaptor and Jack ** ON A/C NOT FOR ALL

(1) Install the support plate (31) of the 98A54403024003 ADAPTOR-DYNAMOMETRIC AT RIB 1 with the screws (34), washers (35) and the nuts (36).
(2) Put the JACK - 500 DAN (1124 LBF), ADJUSTABLE (33) in position, below the attach fitting at RIB1.
(3) Install the adaptor load cell (32) of the 98A54403024003 ADAPTOR-DYNAMOMETRIC AT RIB 1 on the JACK - 500 DAN (1124 LBF), ADJUSTABLE (33).
(4) Apply a minimum force of 300 +100 kg or -100 kg (661.3866 +220.4622 lb or -220.4622 lb).

Subtask 54-51-17-020-057-A ** ON A/C NOT FOR ALL

B. Removal of the Pylon-to-Wing Forward-Attach Fitting

Forward Pylon-to-Wing Attach Fitting ** ON A/C NOT FOR ALL

NOTE: If more than one hour is necessary to finish this task, then the installation of the 98D54403000000 DUMMY SHACKLES-PYLON TO WING YOKES and the 98D54403001000 DUMMY SLEEVES-PYLON TO WING YOKES is necessary.

(1) Remove the cotter pins (28) and discard them.
(2) Lock the bolts (23) with the 98D54503000000 PYLON REMOVAL-WRENCH.
(3) Remove the nuts (27) with the 98D54503000000 PYLON REMOVAL-WRENCH.
(4) Remove the bolts (23).
(5) Lock the sleeves (24) with the 98D54503000000 PYLON REMOVAL-WRENCH.
(6) Remove the nuts (26) with the 98D54503000000 PYLON REMOVAL-WRENCH.
(7) Remove the lockwashers (25) and discard it.
(8) Remove the sleeves (24) with the extractor 98D54003005000 PYLON SHAFT EXTRACTOR RIB4-RIB10 at the bottom first.
(9) Remove the shackles (29).
(10) Increase the force continuously and equally until you can remove the sleeve.

[Rev.10 from 2021] 2026.04.01 02:00:27 UTC